strategy.ts

interface IStrategy {
  id: string,
  test: (item: string) => boolean,
  transform: (item: string) => Promise<any> | string
}

const strategies: IStrategy[] = [
  {
    id: 'some-name',
    test: (item: string) => true | false,
    transform: (item: string) => {
      return item
    },
  },
]

function getStrategy(item: string, strategies: IStrategy[]) {
  return strategies.reduce((acc: IStrategy | null, strategy: IStrategy, index) => {
    if (acc == null) {
      return strategy.test(item) ? strategy : acc;
    } else {
      return acc;
    }
  }, null);
}

export async function testStrategy(item: string): Promise<any> {
  const strategy: IStrategy | null = await getUriStrategy(item, strategies);

  if(!strategy) return item

  const _out = strategy.transform(item)
  return _out || item
}